The girls think that Komori-san acts a little bit too much like a guy, but they realize quickly their assumptions may have been incorrect...
Isn't scratching your butt okay?
أليس حكّ مؤخّرتكِ جيّد؟
Man darf sich doch wohl
am Hintern kratzen.
Il ne faut pas 
se gratter le cul ?
Grattarsi il sedere non va bene?
Acho que não tem problema coçar a bunda.